HB 5422.12-1989
Copper alloy chemical analysis method crystal violet-toluene extraction absorptiometry for determination of antimony content (English Version)

Standard No.

HB 5422.12-1989

Language

Chinese, Available in English version

Release Date

1989

Published By

Professional Standard - Aviation

Latest

HB 5422.12-1989

Scope

This standard specifies the method principle, reagents, instruments, analysis steps and tolerances for the determination of antimony content in copper alloys using crystal violet-toluene extraction absorbance photometry. This standard applies to the determination of antimony content in brass, tin bronze and aluminum bronze. Measuring range: 0.002% ~ 0.010%.

HB 5422.12-1989 history

• 1989 HB 5422.12-1989 Copper alloy chemical analysis method crystal violet-toluene extraction absorptiometry for determination of antimony content